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fix type error

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2026-04-01 10:34:20 -07:00
parent f709f6d089
commit 4524ebe614
1 changed files with 9 additions and 5 deletions
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14
src/smt/seq/seq_nielsen.cpp
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@ -250,10 +250,8 @@ namespace seq {
void nielsen_node::add_constraint(constraint const &c) {
if (graph().get_manager().is_and(c.fml)) {
// this is important, as the subsolver might decompose for returned unsat cores
for (unsigned i = 0; i < to_app(c.fml)->get_num_args(); ++i) {
add_constraint(constraint(to_app(c.fml)->get_arg(i), c.dep, graph().get_manager()));
}
for (auto f : *to_app(c.fml))
add_constraint(constraint(f, c.dep, graph().get_manager()));
return;
}
m_constraints.push_back(c);
@ -1142,6 +1140,11 @@ namespace seq {
euf::snode* tok = mem.m_str->first();
if (!tok || !tok->is_unit())
break;
//
// TODO -rewrite to use symbolic derivative and add back resulting derived regex.
//
// compute minterms and check for uniform derivative
euf::snode_vector minterms;
sg.compute_minterms(mem.m_regex, minterms);
@ -3693,7 +3696,8 @@ namespace seq {
th_rewriter rw(m);
sort *char_sort = m_seq.mk_char_sort();
auto char_var = skolem(m, rw).mk("char!", var->get_expr(), a.mk_int(mod_count), char_sort);
return m_sg.mk(char_var);
expr_ref unit(m_seq.str.mk_unit(char_var), m);
return m_sg.mk(unit);
}
expr_ref nielsen_graph::get_or_create_gpower_n_var(euf::snode* var, unsigned mod_count) {